Fool″ish, a. 1. Marked with, or exhibiting, folly; void of understanding; weak in intellect; without judgment or discretion; silly; unwise.
I am a very foolish fond old man. Shak.
2. Such as a fool would do; proceeding from weakness of mind or silliness; exhibiting a want of judgment or discretion; as, a foolish act.
3. Absurd; ridiculous; despicable; contemptible.
A foolish figure he must make. Prior.
Syn. — Absurd; shallow; shallow-brained; brainless; simple; irrational; unwise; imprudent; indiscreet; incautious; silly; ridiculous; vain; trifling; contemptible. See Absurd.